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The Forest Service National Center for Reforestation, Nurseries, and Genetic Resources (RNGR) is a leading source of technical information for nurseries and land managers regarding production and planting of trees and other native plants for reforestation, restoration, and conservation.

 
NPN Protocol Details Image

Prockia (crucis)

Rudy O'Reilly
District Conservationist
USDA NRCS Virgin Islands Field Office
5030 Anchor Way, Sujite 2
Gallows Bay, Christiansted, St. Croix, Virgin Islands 00820-4962
Tel. 340-773-9146
http://www.nrcs.usda.gov/wps/portal/nrcs/detail/pr/plantsanimals/?cid=nrcs141p2_037290

Family Scientific Name: Flacourtiaceae
Family Common Name: Flacourtia family
Scientific Name: Prockia crucis P. Br. ex L.
Common Name: guasimilla
Species Code: PROCRU
Ecotype: St. Croix
General Distribution: P. crucis is found in Cuba, Hispaniola, Puerto Rico and the Virgin Islands and throught the Lesser Antilles to Tobago. It is also widespread from southern Mexico to Honduras and Guatemala, and to Brazil and Argentina.
In St. Croix this species is found primarily in the north west of part of the island on hills and in ravines.It is, perhaps, a riparian species.
Propagation Goal: plants
Propagation Method: seed
ProductType: Container (plug)
Stock Type: 1 gallon
Time To Grow: 18 Months
Target Specifications: Height: 12 in.<br> Caliper: n/a<br> Root Plug: Firm Root pLug in 1 gallon container.<br>
Propagule Collection: Collect entire fruits from the tree when they mature.
Propagule Processing: Whole fruits were dried out for two days indoors on paper towels. Fruit is then crumbled over the potting medium. Seeds arenumerous and minute.This method allows one to utilize all the seeds from the berries and prevents the sees from drying out during processing and sowing.
Pre-Planting Treatments: Fruits are crumbled over germination trays filled with a commercial potting soil.
Establishment Phase: Seeds germinate in flats in a bout 10 days. The cotyledons are very small, 1 mm long.
Active Growth Phase: Growth of seedlings is very slow.
Hardening Phase: Seedlings are hardened for three months prior to out-planting.
Length of Hardening Phase: 3 months
References: Little, E.L., Woodbury, R.O. and Wadsworth, F.H. 1974. Trees of Puerto Rico and the Virgin Islands, Vol II. Agricultural Handbook No. 449. USDA Forest Service. Washington D.C. 1024 pp.

Citation:

O'Reilly, Rudy. 2003. Propagation protocol for production of Container (plug) Prockia crucis P. Br. ex L. plants 1 gallon; USDA NRCS Virgin Islands Field Office Gallows Bay, Christiansted, St. Croix, Virgin Islands. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/02). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.